chore: jfr event throttling

Author: sureshg

backend/profiling/src/main/kotlin/dev/suresh/JFR.kt

@@ -16,6 +16,7 @@ import kotlin.time.toJavaDuration
 @Category("Services", BuildConfig.name)
 @Period("1 s")
 @StackTrace(false)
+@Throttle("100/s")
 class Counter(@Label("Count") private var count: Long = 0) : Event() {
   fun inc() = count++
 }

shared/src/jvmMain/kotlin/dev/suresh/Extns.kt

@@ -99,8 +99,10 @@ fun IntArray.codePointsToString(separator: String = "") =
 /** Adds a periodic event to the JFR stream. */
 inline fun <reified T : Event> addPeriodicJFREvent(event: T, crossinline block: T.() -> Unit) {
   FlightRecorder.addPeriodicEvent(T::class.java) {
-    block(event)
-    event.commit()
+    if (event.shouldCommit()) {
+      block(event)
+      event.commit()
+    }
   }
 }